Rocksday

Heulandite

A zeolite forming flat, coffin-shaped crystals with a pearly shine.

Heulandite specimen
Photo: Robert M. Lavinsky, CC BY-SA 3.0, via Wikimedia Commons

How to identify heulandite

  • Tabular crystals shaped like coffins.
  • Pearly luster on the large flat face.
  • Soft and light.

Often confused with

Where it's found

  • Pune, India
  • Iceland
  • Nova Scotia

Uses

Collector specimens.

Rock tumbling

Not suitable for tumbling.

Did you know?

It's named after English mineral collector John Henry Heuland.

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